Home / 198,110.96-273,326.64-113,167.88

Finding the Fourth Proportional to 198,110.96, 273,326.64 and 113,167.88

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Solution

The fourth proportional to 198,110.96, 273,326.64 and 113,167.88 is: 156,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,110.96 : 273,326.64 = 113,167.88 : x
  2. Step 2: Convert to fraction form
    198,110.96/273,326.64 = 113,167.88/x
  3. Step 3: Cross multiply
    198,110.96x = 273,326.64 × 113,167.88
  4. Step 4: Simplify right side
    198,110.96x = 30,931,796,396.32
  5. Step 5: Solve for x
    x = 30,931,796,396.32/198,110.96
  6. Step 6: Final answer
    x = 156,133.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.